Definition of boom vang:
(n) :
A flat curved airfoil that spins about an axis perpendicular to the direction of flight, originally used in various parts of the world as a hunting weapon or, in returnable types, for sports or training.
(n) :
Any of various traditional throwing sticks used for hunting or combat by Australian aborigines, including the symmetrical, crescent-shaped, type.
(v) :
(intransitive) To return or rebound unexpectedly, especially when the result is undesired; to backfire.
(v) :
(intransitive) To travel in a curved path.
(n) :
A cocktail made with rye whiskey and Swedish punsch.
(n) :
(Australian rules football, rugby) A boomerang kick.